Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In Alton, the onset of April comes with a modest high-temperature shift, transitioning from March's refreshing 56.7°F (13.7°C) to an enjoyable 65.5°F (18.6°C). April brings with it a nighttime average temperature of 44.2°F (6.8°C) in Alton, Kansas.Humidity
In Alton, the average relative humidity in April is 62%.Rainfall
In Alton, in April, it is raining for 11.5 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 110.3 rainfall days, and 19.76" (502mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Alton, in April, snow falls for 0.8 days, with typically accumulated 0.35" (9mm) of snow. In Alton, during the entire year, snow falls for 22.6 days and aggregates up to 8.5" (216mm) of snow.Daylight
The average length of the day in April in Alton is 13h and 16min.On the first day of April in Alton, sunrise is at 7:18 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 8:28 pm CDT.
Sunshine
In Alton, the average sunshine in April is 8.8h.UV index
In Alton, Kansas, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Alton?
What is the average humidity in April in Alton?
How much does it rain in Alton in April?
How much does it snow in Alton in April?
How many hours of daylight does Alton have in April?
When is the sunrise / sunset in April in Alton?
How many hours of sunshine does Alton have in April?
How high is the UV index in April in Alton?
Average temperature in April
Alton, KS
- Average high temperature in April: 65.5°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in April
Alton, KS
- Average pressure in April: 29.9"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Alton, KS
- Average wind speed in April: 11.7mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in April
Alton, KS
- Average humidity in April: 62%
The months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is July (57%).
Average rainfall in April
Alton, KS
- Average rainfall in April: 1.73"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in April
Alton, KS
- Average rainfall days in April: 11.5 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in April
Alton, KS
- Average snowfall in April: 0.35"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Alton, KS
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Alton, KS
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in April
Alton, KS
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in April
Alton, KS
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Alton, KS
- Average cloud cover in April: 35
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 21).
Average visibility in April
Alton, KS
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Alton, Kansas, USA
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